Bath accessory post



FIG. 1 is a perspective view of a bath accessory post showing my new design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a left side view thereof.

The broken-line disclosure in the views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a bath accessory post, as shown and described. 